Fox ECS HV ECM2900 Connector Type A, 20.16kWh 1x Master 6x Slave (Full Stack)

FE-HV-EC-A-7-2.9-20.3 | Complete Fox ECS2900 high-voltage Energy Cube stack with 1× master and 6× slave batteries, delivering 20.16kWh nominal (≈18.1kWh usable) storage in a single, modular tower.

System Composition

• 1 × Fox ECS 2.88kWh HV Battery (Master) V2.0, Connector Type A (ECM2900).
• 6 × Fox ECS 2.88kWh HV Battery (Slave) V2.0, Connector Type A (ECS2900).
• Total nominal capacity: 7 × 2.88kWh = 20.16kWh.
• Usable capacity (90% DoD): ≈ 18.1kWh.

Key Features

• High-voltage LiFePO₄ battery stack for Fox ESS hybrid and AC-coupled systems.
• Modular, stackable “Energy Cube” design with plug-and-play DC and comms interlinks.
• 90% depth of discharge for excellent usable energy while preserving cycle life.
• Wide operating temperature range and IP65-rated enclosure for indoor or outdoor installation.
• CAN/RS485 communication with compatible Fox ESS inverters/chargers for full integration and monitoring.
• Connector Type A (V2.0) – all modules in the stack share the same connector type and version.

Electrical Characteristics (Full 7‑Module Stack)

Mechanical & Environmental

Compatibility & Warranty

• Compatible with Fox ESS HV hybrid inverters (H1/H3 series) and AC chargers (AC1/AC3) that support ECS2900 batteries.
• Connector Type A – only Type A V2.0 master and slave modules can be mixed within this stack.
• Standard product warranty 5 years, extendable to 10 years upon online registration (per Fox ESS terms).

MPN: FE-HV-EC-A-7-2.9-20.3
Model: Fox ECS HV ECM2900 Connector Type A, 20.16kWh Full Stack (1× Master + 6× Slave)

Pre‑configured full stack delivering over 20kWh of high‑voltage LiFePO₄ storage, ideal for whole‑home or light commercial Fox ESS systems needing high capacity with simple, modular installation.